Home / 29,137.25-43,693.82-9,140.07

Finding the Fourth Proportional to 29,137.25, 43,693.82 and 9,140.07

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Solution

The fourth proportional to 29,137.25, 43,693.82 and 9,140.07 is: 13,706.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,137.25 : 43,693.82 = 9,140.07 : x
  2. Step 2: Convert to fraction form
    29,137.25/43,693.82 = 9,140.07/x
  3. Step 3: Cross multiply
    29,137.25x = 43,693.82 × 9,140.07
  4. Step 4: Simplify right side
    29,137.25x = 399,364,573.37
  5. Step 5: Solve for x
    x = 399,364,573.37/29,137.25
  6. Step 6: Final answer
    x = 13,706.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.